[Numpy-discussion] Possible to use numexpr with user made ufuncs/scipy ufuncs?

John Salvatier jsalvati@u.washington....
Sat Jun 26 11:24:12 CDT 2010


OK, perhaps I will just continue preevaluating the expressions involving
special functions. Thank you for the help Fancesc

+1 to Pauli's suggestion.

On Sat, Jun 26, 2010 at 6:19 AM, Pauli Virtanen <pav@iki.fi> wrote:

> Hi,
>
> la, 2010-06-26 kello 14:24 +0200, Francesc Alted kirjoitti:
> [clip]
> > Yeah, you need to explicitly code the support for new functions in
> numexpr.
> > But another possibility, more doable, would be to code the scipy.special
> > functions by using numexpr as a computing back-end.
>
> Would it be possible to add generic support for user-supplied ufuncs
> into numexpr? This would maybe be more of a convenience feature than a
> speed improvement, although perhaps some speed could be gained by
> evaluating ufuncs per-block.
>
> --
> Pauli Virtanen
>
>
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